Ford Hydraulic Roller Camshaft (For Engines originally equipped with Roller cam)
Ford - 221, 255 (4.2L), 260, 289, 302(5.0L) & Boss 302 (Engines originally equipped with Roller cam)
Performance level 4 - Original - Aggressive rpm camshaft, high stall A.O.D. or a 5-speed with low gears. For well prepared engines.
INT/EXH - Dur @ .050” Lift: 234°/240° RR: 1.6/1.6 Gross Lift: .534”/.545” LSA: 110° RPM: 2700 to 6200 Redline: 6500
221, 255 (4.2L), 260, 289, 302(5.0L) & Boss 302
.000" intake and .000" exhaust
Advertised Duration: Intake / Exhaust
Duration @ .050" Lift: Intake / Exhaust
Lobe Lift: Intake / Exhaust
Rocker Ratio: Intake / Exhaust
Gross Valve Lift: Intake / Exhaust
Aggressive rpm camshaft, high stall A.O.D. or a 5-speed with low gears. For well prepared engines.
Level 4 camshafts are designed for heavily modified engines. They have a definate lope at idle and are best suited for dual purpose hot street/drag strip, hot marine and oval track applications.
Headers, dual exhaust, large cfm carburetor, performance ignition and increased compression of 10.25:1 and above is required. Cylinder head modifications would be beneficial. Use with automatic transmission with high stall torque converter or manual transmission. Close attention to proper ring and pinion gear set and tire diameter is imperative.
Recommended Kit #1
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